US4895805A - Cell manipulating apparatus - Google Patents

Cell manipulating apparatus Download PDF

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Publication number
US4895805A
US4895805A US07/235,485 US23548588A US4895805A US 4895805 A US4895805 A US 4895805A US 23548588 A US23548588 A US 23548588A US 4895805 A US4895805 A US 4895805A
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United States
Prior art keywords
taking
cells
chamber plate
plate
chambers
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US07/235,485
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English (en)
Inventor
Kazuo Sato
Shinji Tanaka
Yoshio Kawamura
Hiroyuki Kohida
Yoshihisa Hosoe
Masatoshi Sakurano
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Hitachi Ltd
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Hitachi Ltd
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Assigned to HITACHI, LTD., A CORP. OF JAPAN reassignment HITACHI, LTD., A CORP. OF JAPAN ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: HOSOE, YOSHIHISA, KAWAMURA, YOSHIO, KOHIDA, HIROYUKI, SAKURANO, MASATOSHI, SATO, KAZUO, TANAKA, SHINJI
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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
    • C12M33/04—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by injection or suction, e.g. using pipettes, syringes, needles
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/02—Form or structure of the vessel
    • C12M23/12—Well or multiwell plates
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/34—Internal compartments or partitions
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/58—Reaction vessels connected in series or in parallel
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M35/00—Means for application of stress for stimulating the growth of microorganisms or the generation of fermentation or metabolic products; Means for electroporation or cell fusion
    • C12M35/08—Chemical, biochemical or biological means, e.g. plasma jet, co-culture

Definitions

  • This invention relates to an apparatus for conveying cells to a plurality of chambers provided in a chamber plate.
  • This invention is intended to overcome the above-mentioned problem, and it is an object of this invention to provide a cell manipulating apparatus capable of conveying cells to the chambers provided in a chamber plate within a reduced period of time.
  • a cell manipulating apparatus for conveying cells to a plurality of chambers provided in a chamber plate, comprising: a taking-up device adapted to take up said cells to taking-up portions which are placed such as to face the respective chambers of said chamber plate; and a moving device adapted to relatively move said taking-up device to a position above said chamber plate.
  • the taking-up device is relatively moved, holding taken-up cells in its taking-up portions, to a position over the chamber plate. After positionally matching the taking-up portions with the chambers, the cells are released from the taking-up portions, thus transferring all of the cells to the respective chambers of the chamber plate at one time.
  • the taking up device may be composed of taking-up portions comprising penetrating holes and cavities connected thereto formed in a carrier plate, the pressure within said penetrating holes being lowered so as to take up cells on the carrier plate.
  • the carrier plate from single crystal silicon and to form thereon films of SiO 2 which act as taking-up portions, cells being adsorbed due to their hydrophilic property.
  • FIG. 1 is a schematic sectional view of an embodiment of the cell manipulation apparatus in accordance with this invention.
  • FIG. 2 is a plan view of the carrier plate of the cell manipulating apparatus shown in FIG. 1;
  • FIG. 3 is an enlarged sectional view of the carrier plate
  • FIG. 4 is an enlarged sectional view of the chamber plate of the cell manipulating apparatus shown in FIG. 1;
  • FIGS. 5A to 5F are explanatory views illustrating the operation of the cell manipulating apparatus of FIG. 1;
  • FIG. 6 is a schematic perspective view of another embodiment of the cell manipulating apparatus in accordance with this invention.
  • FIGS. 7A to 7D are explanatory views illustrating the operation of still another embodiment of the cell manipulating apparatus in accordance with this invention.
  • FIG. 1 one end of a drain tube 13 is connected to the bottom of a container 11 and the other end thereof is connected to a buffer solution drainage system 24.
  • a chamber plate 1 is fixed to a support member 14 arranged in the container 11.
  • This chamber plate 1 is made from single crystal of silicon and has a thickness of 0.4 mm and a diameter of 75 mm.
  • the chamber plate 1 has therein a plurality of chambers 3 arranged in a 45 ⁇ 45 matrix-like manner with a pitch of 0.8 mm.
  • slits 18 communicating with the chambers 3 are provided at the bottom of the chambers 3.
  • a feed pipe 10 is connected with the bottom section of a container 7 and the other end thereof is connected to a buffer solution feeding system 22.
  • a connecting hole 15 for connecting an injection apparatus 8 is also provided at the bottom of the vessel 7.
  • the carrier plate 2 formed from single crystalline silicon wafer has a thickness of 0.4 mm and a diameter of 75 mm.
  • Cavities 4 are provided at the bottom of the carrier plate 2. These cavities 4 are arranged to correspond in position and number (45 ⁇ 45) to those of the chambers 3.
  • communicating holes 12 Provided in the carrier plate 2 are communicating holes 12 which communicate with the cavities 4. The minimum diameter of the communication holes 12 is ca. 10 ⁇ m.
  • a plate holder 16 To the carrier plate 2 is attached a plate holder 16 to which one end of a flexible hose 9 is connected. The other end of the flexible hose 9 is connected to a buffer solution feed/drainage system 23.
  • a taking-up device 21 which is composed of the carrier plate 2, the plate holder 16 etc. is moved by a moving device (not shown) in the vertical and the horizontal directions B, A.
  • a buffer solution 6 such as sucrose solution.
  • this cell manipulating apparatus thus constructed is explained hereinafter.
  • the buffer solution 6 containing, in suspension, plant cells 5 individually separated by the enzyme is sealed into the injection apparatus 8, as shown in FIG. 5A.
  • the injection apparatus 8 is driven so as to inject the cells 5 into the container 7.
  • the buffer solution 6 inside the plate holder 16 is drawn out, so that negative pressure is generated within the plate holder 16.
  • the cells 5 are taken up to the cavities 4.
  • the withdrawal of the buffer solution 6 in the plate holder 16 by the buffer solution feed/drainage system is continued, and at the same time, the buffer solution feeding system is controlled to feed the container 7 with buffer solution 6 through the feeding pipe 10, as shown in FIG. 5C.
  • the buffer solution 6 then flows over the container 7, thereby driving those cells 5, which are not taken up to the cavities 4, out of the container 7.
  • the moving device (not shown) moves the taking-up device 21 into the container 11, as shown in FIG. 5D, while keeping to such or applying the negative pressure to the buffer solution 6 in the plate holder 16.
  • the taking-up device 21 is positioned such that the chambers 3 are vertically aligned or register with the cavities 4 and that the carrier plate 2 is brought into close contact with the chamber plate 1, as shown in FIG. 5E.
  • the buffer solution feeding/drainage system supplies the region 41 in the plate holder 16 with the buffer solution 6 to generate positive pressure at the region 41 in the plate holder 16.
  • the buffer solution drainage system sucks or draws out the buffer solution 6 from the region 42 in the support member 14 through the drainage pipe 13, so that negative pressure is generated at the region 42 in the support member 14.
  • the cells 5 are released from the cavities 4 and received in the corresponding chambers 3.
  • the moving device moves the taking-up device 7 from the container 11 into the container 7, while the buffer solution at the region 42 in the support member 14 is kept under a reduced pressure.
  • the chamber plate 1 can be taken out of the vessel 11, as shown in FIG. 5F.
  • the taking-up device 21 is moved to a position above the chamber plate 1 while the cells 5 are being taken up to the cavities 4 by the liquid pressure such that the chambers 3 are aligned or positionally matched with the cavities 4, and then the cells 5 are released from the cavities 4 by the liquid pressure to causes the cells 5 to be charged into the chambers 3. Consequently, a great number of cells 5 can be conveyed or transferred to the chambers 3 at one time, so that the cells 5 can be conveyed to the chambers 3 in a very short time.
  • FIG. 6 is a schematic perspective view of another embodiment of the cell manipulating apparatus in accordance with this invention.
  • This apparatus has a construction adapted to allow different sorts or species of cells to be placed in pairs into the chambers and sealed therein for the purpose of conducting cell fusion.
  • the chamber plate 1 for receiving a large number of pairs of differnt species of cells is fixed in the tank 11a in such a manner as to be submerged in the buffer solution.
  • individual containers 7a, 7b which are partitioned off from the tank 11a are provided with taking-up devices 21a and 21b adapted to take up differnt species of cells, respectively.
  • Each of these taking-up devices 21a and 21b serves to convey cells of a single species to the chamber plate 1 in accordance with the procedure of FIGS.
  • Flexible hoses 9a, 9b are connected to a buffer solution feeding/drainage system incorporated in the apparatus body 25.
  • the containers 7a, 7b correspond to the container 7 shown in FIG. 1, the bottom of each container being connected to an injection apparatus and a buffer solution feeding system. Both of the injection apparatuses and the buffer solution feeding systems are incorporated in the apparatus body 25.
  • a moving device 17a supporting the taking-up device 21a serves to raise and lower the taking-up device 21a in the direction of the arrow B at the position of the continer 7a and to move the taking-up device 21a in the direction of the arrow A to bring it beyond the border between the container 7a and the tank 11a to a position just above the chamber plate 1.
  • the moving device 17a serves to move the taking-up device 21a vertically (in the direction B) also at the position cf the tank 11a.
  • the moving device 17b supporting the taking-up device 21b serves, similarly, to raise and lower the taking-up device 21b at the positions of the container 7 as well as the tank 11a and to move the taking-up device 21b horizontally between the container 7b and the tank 11a.
  • the moving device 17a brings the taking-up device 21a on which the first sort or species of cells are taken up to a position above the chamber plate 1.
  • the chambers 3 and the cavities of the adsorption device 21a are aligned with each other, and the first species of cells are released from the cavities, the first species of cells being received in the respective chambers 3.
  • the moving device 17b brings the taking-up device 21b on which the second sort or species of cells are taken up to a position above the chamber plate 1.
  • the chambers 3 and the cavities of the taking-up device 21b are then aligned with each other, and the second species of cells are released from the respective cavities, the second species of cells being received in the chambers 3 to accomodate the cell pairs in each of the chambers 3.
  • this cell manipulating apparatus When this cell manipulating apparatus is used for carrying out cell fusion of different sorts or species of protoplasts, a large number of protoplasts can be conveyed to the chambers in a short time, so that even when a great number of protoplasts are to be conveyed to the chambers, deterioration in the activity of protoplasts during conveyance can be avoided, the number of protoplasts which can undergo cell fusion at one time thus being remarkably increased.
  • FIGS. 7A to 7D show still another embodiment of this invention.
  • adsorbate sections composed of SiO 2 films 32 are provided on the surface of the carrier plate 31 made of single crystalline silicon.
  • the cells 33 can be adsorbed on the SiO 2 films 32 on account of their hydrophilic properties, as shown in FIG. 7C.
  • the carrier plate 31 on which the cells are thus adsorbed is conveyed to a position above the chamber plate 35.
  • the chamber plate 35 and the carrier plate 31 are then positionally matched or registerd with each other as shown in FIG. 7D.
  • the cells 32 are released from the SiO 2 films, so that the cells 32 can be received in the chambers 36 of the chamber plate 35.
  • adsorbate portions composed of polylysine films may be provided on the surface of the carrier plate instead of the above SiO 2 films. Cells are adsorbed on the polylysine films due to their adherent or adsorbing property. In this case, the cells can be released from the polylysine films by supplying a suitable chemical liquid. The operation is the same as that shown in FIGS. 7A to 7D.
  • both may have the same configuration. In this case, fusion of cells pairs may be conducted under the condition where the chamber plate 1 and the carrier plate 2 are in close contact with each other.
  • the number of cavities 4 is the same as that of the chambers 3, they may be different from each other. The number of cavities 4 may be less than that of the chambers 3, for example, half the number. In that case, the conveying operation may be repeated a plurality of times to convey cells 5 to all the chambers 3.
  • the cells 5 are plant cells, it should naturally be understood that this invention can be applied to animal cells. Moreover, it can also be applied to both nucleated cells and anucleate cells.
  • the taking-up device 21, 21a, 21b, etc. is moved by a moving or conveying device
  • a plurality of containers 7a, 7b, 11a are provided, it is also possible to partition a single container by means of detachable partition plates, the taking-up device 21, 21a, 21b etc. and the chamber plate 1, 35 being formed in the sections thus defined.
  • the chamber plate 1 and the carrier plate 2 are formed from single crystal silicon wafers. Pyramidal shaped chambers 3 and cavities 4 are precisely etched on (100) oriented wafers using potassium hydroxide (KOH) water solutions as an etchant. Anisotropic etching of the system is suitable for achieving these microstructures.
  • KOH potassium hydroxide
  • a moving device relatively moves the taking-up device relatively with respect to the chamber plate, while keeping the cells taken up to on the taking-up portion of the taking-up device.
  • the chambers and the taking-up portions are aligned or positionally matched with each other, and then by releasing the cells from the taking-up portions, the cells can be conveyed or transferred to the chambers of the chamber plate. It will be appreciated from this that conveyance of a great number of cells can be effected in a very short time, which is a remarkable advantage of the present invention.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Zoology (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Wood Science & Technology (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Sustainable Development (AREA)
  • Microbiology (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Clinical Laboratory Science (AREA)
  • Molecular Biology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physiology (AREA)
  • Cell Biology (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
US07/235,485 1987-08-31 1988-08-24 Cell manipulating apparatus Expired - Fee Related US4895805A (en)

Applications Claiming Priority (2)

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JP62-215288 1987-08-31
JP62215288A JP2559760B2 (ja) 1987-08-31 1987-08-31 細胞搬送方法

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JP5487152B2 (ja) * 2011-04-11 2014-05-07 株式会社日立製作所 細胞採取システム
WO2015093116A1 (ja) * 2013-12-17 2015-06-25 コニカミノルタ株式会社 細胞の蛍光免疫染色方法ならびにそのためのシステムおよびキット

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Cited By (104)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154814A (en) * 1987-10-07 1992-10-13 Hitachi, Ltd. Cell handling apparatus
US5346825A (en) * 1987-10-07 1994-09-13 Hitachi, Ltd. Method for improving the rate of cell fusion
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